begin;
alter TABLE gsp_item_details alter column item_no type integer using item_no::integer;
alter TABLE certificate_of_origin_items alter column item_no type integer using item_no::integer;

alter table gsp_commercial_details add column
pre_carriage_mode integer;
alter table gsp_commercial_details add column
pre_carriage_from integer;
alter table gsp_commercial_details add column
pre_carriage_to integer;

alter table company_contact add column company_name character varying;

commit;